20032866797 has 2 divisors, whose sum is σ = 20032866798. Its totient is φ = 20032866796.

The previous prime is 20032866773. The next prime is 20032866817. The reversal of 20032866797 is 79766823002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15226079236 + 4806787561 = 123394^2 + 69331^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032866797 - 2¹⁴ = 20032850413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032866727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016433398 + 10016433399.

It is an arithmetic number, because the mean of its divisors is an integer number (10016433399).

Almost surely, 2^20032866797 is an apocalyptic number.

It is an amenable number.

20032866797 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032866797 is an equidigital number, since it uses as much as digits as its factorization.

20032866797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 20032866797 in words is "twenty billion, thirty-two million, eight hundred sixty-six thousand, seven hundred ninety-seven".